P2204
NOx Sensor Circuit Intermittent Bank 1
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Moderate SeverityPowertrainGeneric (SAE)
Description
Intermittent signal from the NOx sensor on bank 1.
Symptoms
- Intermittent check engine light
- Erratic SCR operation
Common Causes
- Loose connection
- Damaged wiring
- Sensor connector moisture ingress
Diagnostic Steps
- Wiggle test wiring and connector
- Check for water intrusion
- Monitor signal stability
Repair Notes
Clean and secure connector. Replace sensor or repair wiring if intermittent.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2204 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Fiat 500L
2014-2020 1.4L I4 Turbo
Common Questions
What does code P2204 mean on a 2018-2025 Fiat Cronos?
P2204 stands for "NOx Sensor Circuit Intermittent Bank 1". Intermittent signal from the NOx sensor on bank 1.
What are the symptoms of P2204 on a Fiat Cronos?
Common symptoms of P2204 include: Intermittent check engine light, Erratic SCR operation.
What causes P2204 on a 2018-2025 Fiat Cronos?
Common causes of P2204 include: Loose connection, Damaged wiring, Sensor connector moisture ingress.